7664448 has 112 divisors (see below), whose sum is σ = 23408640. Its totient is φ = 2188800.

The previous prime is 7664407. The next prime is 7664453. The reversal of 7664448 is 8444667.

7664448 is nontrivially palindromic in base 7.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40033 + ... + 40223.

Almost surely, 2^7664448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7664448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11704320).

7664448 is an abundant number, since it is smaller than the sum of its proper divisors (15744192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7664448 is a wasteful number, since it uses less digits than its factorization.

7664448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236 (or 226 counting only the distinct ones).

The product of its digits is 129024, while the sum is 39.

The square root of 7664448 is about 2768.4739478637. The cubic root of 7664448 is about 197.1637004997.

The spelling of 7664448 in words is "seven million, six hundred sixty-four thousand, four hundred forty-eight".